About products and suppliers
2520 outer flange products are offered for sale by suppliers on Alibaba.com, of which pipe fittings accounts for 4%, flanges accounts for 1%.
A wide variety of outer flange options are available to you, such as iso, din and gb.You can also choose from stainless steel, custom and carbon steel outer flange,as well as from standard outer flangeand whether outer flange is black, or silver.